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This commit is contained in:
Deadbeef 2023-04-06 04:52:03 +00:00
parent 25fdea009e
commit d764c2da99
2 changed files with 50 additions and 45 deletions
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29
compiler/rustc_macros/src/diagnostics/utils.rs
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@ -420,16 +420,11 @@ pub(super) enum AllowMultipleAlternatives {
Yes,
}
/// Constructs the `format!()` invocation(s) necessary for a `#[suggestion*(code = "foo")]` or
/// `#[suggestion*(code("foo", "bar"))]` attribute field
pub(super) fn build_suggestion_code(
code_field: &Ident,
fn parse_suggestion_values(
nested: ParseNestedMeta<'_>,
fields: &impl HasFieldMap,
allow_multiple: AllowMultipleAlternatives,
) -> TokenStream {
let values = match (|| {
let values: Vec<LitStr> = if let Ok(val) = nested.value() {
) -> syn::Result<Vec<LitStr>> {
let values = if let Ok(val) = nested.value() {
vec![val.parse()?]
} else {
let content;
@ -468,7 +463,17 @@ pub(super) fn build_suggestion_code(
};
Ok(values)
})() {
}
/// Constructs the `format!()` invocation(s) necessary for a `#[suggestion*(code = "foo")]` or
/// `#[suggestion*(code("foo", "bar"))]` attribute field
pub(super) fn build_suggestion_code(
code_field: &Ident,
nested: ParseNestedMeta<'_>,
fields: &impl HasFieldMap,
allow_multiple: AllowMultipleAlternatives,
) -> TokenStream {
let values = match parse_suggestion_values(nested, allow_multiple) {
Ok(x) => x,
Err(e) => return e.into_compile_error(),
};
@ -706,14 +711,14 @@ impl SubdiagnosticKind {
let path_span = nested.path.span().unwrap();
let val_span = nested.input.span().unwrap();
macro get_string() {
{
macro_rules! get_string {
() => {{
let Ok(value) = nested.value().and_then(|x| x.parse::<LitStr>()) else {
span_err(val_span, "expected `= \"xxx\"`").emit();
return Ok(());
};
value
}
}};
}
let mut has_errors = false;